Close second: conference apps. They infuriate me. Data harvesting machines in all ways. Incredibly user hostile. Example: making me scroll endlessly through a

Close second: conference apps. They infuriate me. Data harvesting machines in all ways. Incredibly user hostile. Example: making me scroll endlessly through attendee lists. Lack of good filters. Etc. Can’t download attendee lists. I finally lost my patience and wrote a Selenium script to page through an app and extract everything. Worked well after some initial trial and error.